woocommerce-add-donation-color.js

var wooaddonOptions = {
    // you can declare a default color here,
    // or in the data-default-color attribute on the input
    defaultColor: false,
    // a callback to fire whenever the color changes to a valid color
    change: function(event, ui){},
    // a callback to fire when the input is emptied or an invalid color
    clear: function() {},
    // hide the color picker controls on load
    hide: true,
    // show a group of common colors beneath the square
    // or, supply an array of colors to customize further
    palettes: true
};
jQuery(document).ready(function($){
    $('.wooaddon-color-field').wpColorPicker(wooaddonOptions);
});